package com.lkd.service;

import com.lkd.entity.Order;
import com.baomidou.mybatisplus.extension.service.IService;

import java.util.Date;

/**
 * <p>
 *  服务类
 * </p>
 *
 * @author author
 * @since 2024-08-20
 */
public interface OrderService extends IService<Order> {


    //查询指定时间段内的订单数量
    Integer getOrderCount(Date start, Date end);

    //查询指定时间段内的销售额
    Double getOrderAmount(Date start, Date end);
}
